Repetitive defects troubleshooting Repetitive defects are defects that occur in the same vertical position on the page, but not necessarily on every page. Most repetitive defects are caused by problems with one of the following, and are indicated by the positioning of the defect on the page: developer roller (at 38 mm) charging roller (at 44 mm)—see additional information under “Charge roller set” on page 454.
cleaning roller (at 56 mm) developer DSD wheels (at 65 mm) transfer roller (at 66 mm) transfer drum (occurs once per 11-by-17 inch or A3-sized page, or every other letter- or A4-sized page) fuser (at 150.5 mm) imaging drum (at 195 mm) transfer belt (at 222 mm) 462 Chapter 7 - Troubleshooting EN